<!DOCTYPE html>
<html>
<head>
<meat name="viewport" content="width=device-width,initial-scale=1">
<title>CLOCK</title>
<style type="text/css">
    div{
        text-align:center;
        margin-top:250px; 
      }
      #clock{
        border:1px solid #fff;
      }


</style>
</head>
<body>
    <div>
         <canvas id="clock" height="600px" width="600px">你的浏览器不支持！</canvas>
    </div>
    <script type="text/javascript" src="clock.js"></script>


</body>
</html>

